Vinyl alcohol polymer and its composition

Details Vinyl alcohol polymer and its composition Vinyl alcohol polymer and its composition

C - Chemistry, Metallurgy

08

F

C08F 216/06 (2006.01) C08F 8/12 (2006.01) C08L 31/04 (2006.01)

Patent

CA 2291217

Vinyl alcohol polymers having an ethylene unit content of 2 to 19 mole %, a polymerization degree of 200 to 2, 000, a degree of saponification of 80 to 99.99 mole % and a total content of carboxyl group and lactone rings of 0.02 to 0.4 mole % are excellent in thermal stability, water resistance, gas-barrier properties, water vapor-barrier property, stability of aqueous solution kept at low temperatures and biodegradability.

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